The procedures can also be used to monitor the side effects of chemotherapy and determine whether the treatment is working. About the procedure. A bone marrow aspiration is a procedure that removes a sample of the liquid portion of bone marrow.A bone marrow biopsy removes a small, solid piece of bone marrow for examination. A common site for bone marrow aspiration and biopsy is the pelvic bone, which is located in the lower back by the hip.he procedures can also be used to monitor the side effects of chemotherapy and determine whether the treatment is working. About the procedure. A bone marrow aspiration is a procedure that removes a sample of the liquid portion of bone marrow.
A: Nigeria has a federal republic. It has executive, legislative and judicial branches of government. The National Assembly constitutes the legislative branch of government, the president exercises executive authority and the Supreme Court is the nation's highest court.
Nigeria is a federal republic with a presidential system. The constitution provides for separation of powers among the three branches of government. General elections held in February 1999 marked the end of 15 years of military rule and the beginning of civilian rule based on a multiparty democracy.